Mobile Unlock Screen Handling of Emergency Number Password Sequences
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Solution Overview
Problem
Mobile communication devices face inefficiencies when processing password inputs that contain emergency number sequences, leading to unnecessary emergency call dialog boxes, resource wastage, and potential erroneous calls, which can delay legitimate emergency responses.
Innovation Solution
A method and apparatus that distinguish between password entry and emergency call initiation by receiving password input data, controlling the display to provide instructions for emergency calls only when necessary, and managing the device's locked or unlocked state based on matching password data, thereby preventing interference with password entry and conserving resources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the device automatically detects emergency number sequences in password input, then emergency call functionality is improved, but false emergency calls and resource waste increase
Solution Approach 1:
The system performs preliminary detection of emergency number sequences during password input, but delays the actual emergency call initiation until after password verification is complete. This preliminary detection allows the system to prepare for potential emergency calls without immediately triggering them, thereby avoiding false alarms while maintaining emergency functionality.
Solution Approach 2:
The system implements a feedback mechanism where the detection of emergency number sequences triggers a verification step rather than immediate action. The feedback loop allows the system to confirm whether the detected sequence is intentional (emergency call) or accidental (password input) before executing the emergency call function, thus reducing false positives.
2Speed
If the emergency call dialog box is displayed immediately upon detecting emergency sequences, then emergency response speed is improved, but password entry is interrupted and user experience deteriorates
Solution Approach 1:
The system prepares the emergency call dialog box in advance by detecting emergency sequences, but delays its full display and activation until after password verification is complete. This preliminary preparation maintains readiness for emergency calls while avoiding interruption of the password entry process.
Solution Approach 2:
The system implements a cushioning mechanism by buffering the emergency call dialog box display until necessary. Instead of immediately interrupting password entry with the emergency dialog, the system holds off on displaying it until password verification is complete, thus cushioning the user experience from unnecessary interruptions while maintaining emergency readiness.
3Reliability
If the device places itself in emergency call ready mode upon detecting emergency sequences, then emergency call capability is improved, but system resources are wasted on unnecessary emergency processing
Solution Approach 1:
The system performs preliminary detection of emergency sequences and prepares emergency call capability, but only fully activates emergency processing after password verification is complete. This preliminary preparation maintains emergency readiness without committing full system resources until necessary.
Solution Approach 2:
The system implements partial emergency processing by detecting sequences and preparing emergency capability without fully activating emergency call functions. This partial action maintains emergency readiness while avoiding excessive resource consumption from unnecessary full emergency processing.
Data Source
AI summary
A method and apparatus for unlocking a mobile communication device are provided, the mobile communication device comprising an input device, and a display device, the mobile communication device enabled to initiate emergency calls in a locked state. Password input data is received via the input device, when the mobile communication device is in the locked state, the password input data for unlocking the mobile communication device, the password input data comprising at least a sequence of characters for initiating an emergency call. In response to receiving the sequence of characters for initiating the emergency call, the display device is controlling to provide a representation of instructions to initiate the emergency call upon receipt of emergency call initiate data from the input device.